deb-python-autobahn/autobahn/twisted/test/test_application_runner.py

94 lines
3.8 KiB
Python

###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Tavendo GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
from __future__ import absolute_import
# t.i.reactor doesn't exist until we've imported it once, but we
# need it to exist so we can @patch it out in the tests ...
from twisted.internet import reactor # noqa
from twisted.internet.defer import inlineCallbacks, succeed
from twisted.trial import unittest
from mock import patch, Mock
from autobahn.twisted.wamp import ApplicationRunner
def raise_error(*args, **kw):
raise RuntimeError("we always fail")
class TestApplicationRunner(unittest.TestCase):
@patch('twisted.internet.reactor')
def test_runner_default(self, fakereactor):
fakereactor.connectTCP = Mock(side_effect=raise_error)
runner = ApplicationRunner(u'ws://fake:1234/ws', u'dummy realm')
# we should get "our" RuntimeError when we call run
self.assertRaises(RuntimeError, runner.run, raise_error)
# both reactor.run and reactor.stop should have been called
self.assertEqual(fakereactor.run.call_count, 1)
self.assertEqual(fakereactor.stop.call_count, 1)
@patch('twisted.internet.reactor')
@inlineCallbacks
def test_runner_no_run(self, fakereactor):
fakereactor.connectTCP = Mock(side_effect=raise_error)
runner = ApplicationRunner(u'ws://fake:1234/ws', u'dummy realm')
try:
yield runner.run(raise_error, start_reactor=False)
self.fail() # should have raise an exception, via Deferred
except RuntimeError as e:
# make sure it's "our" exception
self.assertEqual(e.args[0], "we always fail")
# neither reactor.run() NOR reactor.stop() should have been called
# (just connectTCP() will have been called)
self.assertEqual(fakereactor.run.call_count, 0)
self.assertEqual(fakereactor.stop.call_count, 0)
@patch('twisted.internet.reactor')
def test_runner_no_run_happypath(self, fakereactor):
proto = Mock()
fakereactor.connectTCP = Mock(return_value=succeed(proto))
runner = ApplicationRunner(u'ws://fake:1234/ws', u'dummy realm')
d = runner.run(Mock(), start_reactor=False)
# shouldn't have actually connected to anything
# successfully, and the run() call shouldn't have inserted
# any of its own call/errbacks. (except the cleanup handler)
self.assertFalse(d.called)
self.assertEqual(1, len(d.callbacks))
# neither reactor.run() NOR reactor.stop() should have been called
# (just connectTCP() will have been called)
self.assertEqual(fakereactor.run.call_count, 0)
self.assertEqual(fakereactor.stop.call_count, 0)